甜叶菊是多年生菊科草本植物,原产南美洲巴拉圭的北部高原,当地农民已有几百年的种植历史。目前世界各地都有广泛种植。我国从1977年引入,截止1981年就有16个省、市自治区种植。黑龙江省五常市及国营海林农场等地现已形成大规模种植生产综合加工配套体系,其经济效益已居多种种 Stevia is a perennial Asteraceae herb native to the northern plateau of Paraguay in South America and has been planted by local farmers for hundreds of years. Currently there is widespread cultivation around the world. Since our country was introduced in 1977, as of 1981, 16 provinces, autonomous regions and municipalities planted. Wuchang City, Heilongjiang Province and the state-owned Hailin farms and other places have now formed a large-scale integrated production processing plant supporting system, its economic benefits have been many species